Calgary
Canada
3
2025-10-30
The entities that hold a legal rights for patent applications filed by inventor Millen Ben:
Ben Millen from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
HUMAN-POWERED GENERATOR
#2 | 2023-11-30HELICAL DRIVE MECHANISM AND HANDLE MECHANISM FOR WHEELCHAIR WITH HELICAL DRIVE
#3 | 2021-01-14Helical drive mechanism and handle mechanism for wheelchair with helical drive
4974769 ⎘